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a technology of radio channel and aggregation, applied in the direction of code conversion, wireless commuication services, electrical equipment, etc., can solve the problems of large amount of power consumption, high cost of providing all this hardware, and high hardware cos
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AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
a technology of radio channel and aggregation, applied in the direction of code conversion, wireless commuication services, electrical equipment, etc., can solve the problems of large amount of power consumption, high cost of providing all this hardware, and high hardware cos
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[0039]FIG. 4 is a high-level simplified diagram of an apparatus 50 (a mobile communication device) that includes a specific embodiment of Block-TDM (Block-Time-Division-Multiplexing) aggregation and de-aggregation circuitry and functionality in accordance with a first novel aspect. The Block-TDM aggregation and de-aggregation structures and methods set forth and described in this patent document see wide applicability to both receivers and to transmitters, and to transceiver devices involving different numbers of antennas, and to transceiver devices involving different numbers of communication carriers and different kinds of analog-to-digital conversion circuitry. The analog and digital functionality of the transceivers may be divided and partitioned in different ways in different embodiments. Block-TDM aggregation and de-aggregation can be performed on signals coming from, or going to, multiple antennas. Block-TDM aggregation and de-aggregation can also be performed on signal paths...
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Abstract
Multiple streams from multiple circuit paths are Block-TDM (Block-Time-Division-Multiplexing) aggregated into a single stream that passes via a single path through processing circuitry capable of handling the aggregated signal. The cost of providing redundant processing circuitry is avoided. After processing in the single path, the resulting signal is Block-TDM de-aggregated to generate multiple streams. Each output stream is substantially the same as if its corresponding input stream had been processed in a separate path using separate processing circuitry. The path-sharing technique is usable to pass multiple streams from multiple radio receivers through one superior Delta-Sigma ADC (DSADC) as opposed to using multiple flat ADCs to process information from the multiple receivers. In one example, the DSADC can be used because the aggregation is Block-TDM-based and the de-aggregator involves a digital low pass filter. In another example, the de-aggregator involves a decoder and the aggregator involves a precoder.
Description
BACKGROUND INFORMATION[0001]1. Technical Field[0002]The present disclosure relates to channel aggregation (i.e., path-sharing) and to channel segmentation (i.e., path-partitioning) in radio circuits.[0003]2. Background Information[0004]Many future radio systems will likely include radio transmitters and / or receivers that communicate using multiple antennas, and communicate with a given antenna over multiple frequency carriers, and that for a given frequency carrier and antenna combination involve separate In-phase (I) and Quadrature phase (Q) signal paths. A straightforward way to implement such a receiver is to provide a separate hardware signal path for each permutation of antenna, frequency carrier, and I / Q signal. For example, in one possible implementation of the LTE-A (Long Term Evolution—Advanced) wireless communication standard an 8×8 MIMO (Multiple-Input and Multiple-Output) transceiver uses eight antennas for receiving. The receiver of the transceiver may receive on any on...
Claims
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